Ching-Chieh Chang
Process Engineer
Hsinchu
Summary
Held nearly 3 years' experience in process improvement and new material research in TSMC. Personally optimized oxide annealing process and reduced operation time by 11%. Succeeded in reducing new PI heating temperature from 390 ˚C to 200 ˚C.
Overview
5
5
years of professional experience
Work History
Chang Chun Petrochemical Co., Ltd. (CCPG)
Process Engineered Water Equipment
04.2022 - 10.2023
- Acted as sewage treatment professional staff which is certified by government at Changpin factory and handled 600 tons of sewage per day.
- Led 8-person group of assistant engineers and set up sewage plant that reduced cost over six million dollars.
- Achieved cost reduction by 30% including sludge treatment and water recycling.
- Water quality control for process production by SPC chart.
Taiwan Semiconductor Manufacturing Co., Ltd.(TSMC)
Diffusion Department R&D Engineer
09.2020 - 09.2021
- Optimized PAD oxide annealing process and reduced operation time by 11%.
- Assessed new PI material cross-linking ability for Cu-RDL process and succeeded in reducing new PI heating temperature from 390 ˚C to 200 ˚C.
- Built N3 tool release condition and shared CIP experience with colleagues that reduced tool release time by 67%.
- Collaborated photo, etching, integration and bumping team to define new PI thickness for bumping need.
- Assisted integration team to remove two defect issue in high pressure annealing process and enhanced CP about 0.4%.
Taiwan Semiconductor Manufacturing Co., Ltd.(TSMC)
Diffusion Department Process Engineer
01.2019 - 09.2020
- Improved wafer to wafer thickness and uniformity by tuning temperature and controlling gas flow rate.
- Figured out high deviation of PI thickness by iEDA2/JMP analysis and collaborated photo team to control PI batch effect that improved k-shift issue in SPC chart by 30%.
- Assisted my colleagues to transfer new technical process from Fab.12 to Fab.18 and reduced tool matching fail rate by 22%.
- Trained five newcomers about annealing process and helped them to pass performance evaluation.
Education
Master of Science - Applied Chemistry
National Yang Ming Chiao Tung University (NYCU)
Hsinchu, Taiwan 04.2001 -
Bachelor of Science - Chemistry
National Sun Yat-sen University (SYSU)
Kaohsiung, Taiwan 04.2001 -
Skills
Activites
- SYSU Social Change Model Activity, Event General Coordinator
- SYSU Industry-university Cooperation, TA
- NYCU Basketball Club, Member
- Cycling around Taiwan by myself in nine days
- Swimming across Sun Moon Lake, the largest alpine lake in Taiwan
Timeline
Chang Chun Petrochemical Co., Ltd. (CCPG)
Process Engineered Water Equipment
04.2022 - 10.2023
Taiwan Semiconductor Manufacturing Co., Ltd.(TSMC)
Diffusion Department R&D Engineer
09.2020 - 09.2021
Taiwan Semiconductor Manufacturing Co., Ltd.(TSMC)
Diffusion Department Process Engineer
01.2019 - 09.2020
Master of Science - Applied Chemistry
National Yang Ming Chiao Tung University (NYCU)
04.2001 -
Bachelor of Science - Chemistry
National Sun Yat-sen University (SYSU)
04.2001 -
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